pyrox.dev
1# Binutils Wrapper hygiene
2#
3# See comments in cc-wrapper's setup hook. This works exactly the same way.
4
5# Skip setup hook if we're neither a build-time dep, nor, temporarily, doing a
6# native compile.
7#
8# TODO(@Ericson2314): No native exception
9[[ -z ${strictDeps-} ]] || (( "$hostOffset" < 0 )) || return 0
10
11bintoolsWrapper_addLDVars () {
12 # See ../setup-hooks/role.bash
13 local role_post
14 getHostRoleEnvHook
15
16 if [[ -d "$1/lib64" && ! -L "$1/lib64" ]]; then
17 export NIX_LDFLAGS${role_post}+=" -L$1/lib64"
18 fi
19
20 if [[ -d "$1/lib" ]]; then
21 # Don't add the /lib directory if it actually doesn't contain any libraries. For instance,
22 # Python and Haskell packages often only have directories like $out/lib/ghc-8.4.3/ or
23 # $out/lib/python3.6/, so having them in LDFLAGS just makes the linker search unnecessary
24 # directories and bloats the size of the environment variable space.
25 local -a glob=( $1/lib/lib* )
26 if [ "${#glob[*]}" -gt 0 ]; then
27 export NIX_LDFLAGS${role_post}+=" -L$1/lib"
28 fi
29 fi
30}
31
32# See ../setup-hooks/role.bash
33getTargetRole
34getTargetRoleWrapper
35
36addEnvHooks "$targetOffset" bintoolsWrapper_addLDVars
37
38# shellcheck disable=SC2157
39if [ -n "@bintools_bin@" ]; then
40 addToSearchPath _PATH @bintools_bin@/bin
41fi
42
43# shellcheck disable=SC2157
44if [ -n "@libc_bin@" ]; then
45 addToSearchPath _PATH @libc_bin@/bin
46fi
47
48# shellcheck disable=SC2157
49if [ -n "@coreutils_bin@" ]; then
50 addToSearchPath _PATH @coreutils_bin@/bin
51fi
52
53# Export tool environment variables so various build systems use the right ones.
54
55export NIX_BINTOOLS${role_post}=@out@
56
57for cmd in \
58 ar as ld nm objcopy objdump readelf ranlib strip strings size windres
59do
60 if
61 PATH=$_PATH type -p "@targetPrefix@${cmd}" > /dev/null
62 then
63 export "${cmd^^}${role_post}=@targetPrefix@${cmd}";
64 fi
65done
66
67# If unset, assume the default hardening flags.
68: ${NIX_HARDENING_ENABLE="@default_hardening_flags_str@"}
69export NIX_HARDENING_ENABLE
70
71# No local scope in sourced file
72unset -v role_post cmd upper_case